小惑星 ２０１７

← ６月３０日； 小惑星の日　〜　２０１６年は２回目 / 2016-06-30

少し目を離したスキに？ −−−

• Newly Discovered Bus-Size Asteroid Zips Harmlessly by Earth (Video)
  　February 4, 2017 07:20am ET, Space.com
  　"The asteroid, dubbed 2017 BS32"

• • 　List of asteroid close approaches to Earth in 2017

• Asteroid discovered hours before it passes between Earth and moon
  　January 31, 2017 at 3:15 pm, ExtremeTech
  　"2017 BH30"

• • 　List of asteroid close approaches to Earth in 2017

• A doomsday asteroid will hit Earth next month and trigger devastating mega-tsunamis, claims conspiracy theorist
  　Updated: 13:30 GMT, 26 January 2017, Daily Mail Online
  　”Nasa spotted an object called 2016 WF9, that's on its way towards Earth”

• • 　2016 WF9

• Nasa detects TWO space rocks heading towards Earth - but it still can't work out whether one is an asteroid or a comet
  　Updated: 18:56 GMT, 4 January 2017, Daily Mail Online
  　”Comet C/2016 U1 NEOWISE will be visible from Earth for the first time this week / 2016 WF9 is relatively large, roughly 0.3 to 0.6 miles (0.5 to 1 kilometre) across”

• • 　C/2016 U1 (NEOWISE)

• • 　2016 WF9

小惑星の地球衝突 （大気圏突入・落下） は、実際に何が出来るのか出来ないのかは別として、常に測っておくべきリスクでしょうね；

• No, Earth Is Not Overdue For A Massive Asteroid Strike
  　Dec 14, 2016 @ 10:00 AM, Forbes

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